19748550

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{31}}^2\times {\mathrm{137}}^1$

素因数の和:214

約数の個数: 72

約数和(自身を含む): 50976648

約数和(自身を除く): 31228098

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 31, 50, 62, 75, 93, 137, 150, 155, 186, 274, 310, 411, 465, 685, 775, 822, 930, 961, 1370, 1550, 1922, 2055, 2325, 2883, 3425, 4110, 4247, 4650, 4805, 5766, 6850, 8494, 9610, 10275, 12741, 14415, 20550, 21235, 24025, 25482, 28830, 42470, 48050, 63705, 72075, 106175, 127410, 131657, 144150, 212350, 263314, 318525, 394971, 637050, 658285, 789942, 1316570, 1974855, 3291425, 3949710, 6582850, 9874275, 19748550]

約数ペア:

[(1, 19748550), (2, 9874275), (3, 6582850), (5, 3949710), (6, 3291425), (10, 1974855), (15, 1316570), (25, 789942), (30, 658285), (31, 637050), (50, 394971), (62, 318525), (75, 263314), (93, 212350), (137, 144150), (150, 131657), (155, 127410), (186, 106175), (274, 72075), (310, 63705), (411, 48050), (465, 42470), (685, 28830), (775, 25482), (822, 24025), (930, 21235), (961, 20550), (1370, 14415), (1550, 12741), (1922, 10275), (2055, 9610), (2325, 8494), (2883, 6850), (3425, 5766), (4110, 4805), (4247, 4650)]